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Fungal guttation


David Humphries
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A common phenomenom that is often witnessed on annual polypores.

 

Not entirely understood from a scientific perspective but is usually noted to be during the rapid growth process of the fruit body development.

 

Occasionally I've noted it on the beefsteak fungus (Fistulina hepatica) including its anamorph

 

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The greasy bracket (Aurantiporus fissilis) often presents with exuding droplets

 

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The chicken of the woods (Laetiporus sulphureus) can be seen glistening with underside jewels of liquid particularly whilst using a flash.

 

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A regular site on the shaggy bracket (Inonotus hispidus)

 

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Can occasionally be witnessed on perennial brackets like the horseshoe bracket (Fomes fomentarius)

 

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but the undisputed king of fungal guttation is the oak bracket (Psuedoinonotus dryadeus)

 

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Very nice pics. I wonder what is contained in the droplets of various species, same compounds or different? Like everything in nature I expect there must be a reason for it. I've heard suggestions of it being a means to adjust the moisture content of the colonised wood, but I'm not convinced by that...

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Very nice pics. I wonder what is contained in the droplets of various species, same compounds or different? Like everything in nature I expect there must be a reason for it. I've heard suggestions of it being a means to adjust the moisture content of the colonised wood, but I'm not convinced by that...

 

I think I've read or heard David Lonsdale saying he also didn't believe that suggestion, likening it to an old wives tale.

 

I think it's more to do with regulating moisture content in the rapid development of the FB.

 

 

 

.

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